$HAL
HALLIBURTON CO Stock $hal

$hal Overview Financials Valuation SEC Filings Company Website

2020 Form 10-K Financial Statement

#000004501221000009 Filed on February 05, 2021

Income Statement

Concept	2020	2019 Q4	2019
Revenue	$14.45B	$5.191B	$22.41B
YoY Change	-35.54%	-12.55%	-6.61%
Cost Of Revenue	$12.90B	$4.586B	$20.12B
YoY Change	-35.89%	-12.96%	-4.22%
Gross Profit	$1.545B	$605.0M	$2.285B
YoY Change	-32.39%	-9.3%	-23.48%
Gross Profit Margin	10.7%	11.65%	10.2%
Selling, General & Admin	$182.0M	$59.00M	$227.0M
YoY Change	-19.82%	0.0%	-10.63%
% of Gross Profit	11.78%	9.75%	9.93%
Research & Development	$309.0M		$404.0M
YoY Change	-23.51%		3.59%
% of Gross Profit	20.0%		17.68%
Depreciation & Amortization	$1.058B	$372.0M	$1.625B
YoY Change	-34.89%	-11.85%	1.18%
% of Gross Profit	68.48%	61.49%	71.12%
Operating Expenses	$309.0M	$59.00M	$404.0M
YoY Change	-23.51%	0.0%	3.59%
Operating Profit	-$2.436B	$546.0M	-$448.0M
YoY Change	443.75%	-10.2%	-118.16%
Interest Expense	-$505.0M	-$141.0M	-$569.0M
YoY Change	-11.25%	2.92%	2.71%
% of Operating Profit		-25.82%
Other Income/Expense, Net	-$111.0M	-$44.00M	-$105.0M
YoY Change	5.71%	238.46%	6.06%
Pretax Income	-$3.220B	-$1.837B	-$1.122B
YoY Change	186.99%	-501.09%	-161.85%
Income Tax	-$278.0M	-$183.0M	$7.000M
% Of Pretax Income
Net Earnings	-$2.945B	-$1.653B	-$1.131B
YoY Change	160.39%	-348.95%	-168.3%
Net Earnings / Revenue	-20.39%	-31.84%	-5.05%
Basic Earnings Per Share
Diluted Earnings Per Share	-$3.343M	-$1.883M	-$1.29
COMMON SHARES
Basic Shares Outstanding	881.0M shares	877.8M shares	875.0M shares
Diluted Shares Outstanding	881.0M shares		875.0M shares

Balance Sheet

Concept	2020	2019 Q4	2019
SHORT-TERM ASSETS
Cash & Short-Term Investments	$2.563B	$2.268B	$2.268B
YoY Change	13.01%	12.95%	12.95%
Cash & Equivalents	$2.563B	$2.268B	$2.268B
Short-Term Investments
Other Short-Term Assets	$1.492B	$1.048B	$1.228B
YoY Change	21.5%	18.96%	39.39%
Inventory	$2.349B	$3.139B	$3.139B
Prepaid Expenses
Receivables	$3.071B	$4.577B	$4.577B
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$9.475B	$11.21B	$11.21B
YoY Change	-15.49%	0.55%	0.55%
LONG-TERM ASSETS
Property, Plant & Equipment	$5.224B	$7.310B	$8.364B
YoY Change	-37.54%	-17.62%	-5.74%
Goodwill		$2.812B
YoY Change		-0.46%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$3.177B	$1.429B	$2.989B
YoY Change	6.29%	-18.3%	-4.6%
Total Long-Term Assets	$11.21B	$14.17B	$14.17B
YoY Change	-20.9%	-4.49%	-4.49%
TOTAL ASSETS
Total Short-Term Assets	$9.475B	$11.21B	$11.21B
Total Long-Term Assets	$11.21B	$14.17B	$14.17B
Total Assets	$20.68B	$25.38B	$25.38B
YoY Change	-18.51%	-2.33%	-2.33%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.573B	$2.432B	$2.432B
YoY Change	-35.32%	-19.42%	-19.42%
Accrued Expenses	$1.060B	$1.122B	$1.122B
YoY Change	-5.53%	57.14%	57.14%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$719.0M	$11.00M	$19.00M
YoY Change	3684.21%	-67.65%
Total Short-Term Liabilities	$4.421B	$4.878B	$4.878B
YoY Change	-9.37%	1.58%	1.58%
LONG-TERM LIABILITIES
Long-Term Debt	$9.250B	$10.32B	$10.44B
YoY Change	-11.4%	0.04%	1.24%
Other Long-Term Liabilities	$2.026B	$808.0M	$2.034B
YoY Change	-0.39%	-3.92%	53.63%
Total Long-Term Liabilities	$11.28B	$11.12B	$12.47B
YoY Change	-9.6%	-0.26%	7.2%
TOTAL LIABILITIES
Total Short-Term Liabilities	$4.421B	$4.878B	$4.878B
Total Long-Term Liabilities	$11.28B	$11.12B	$12.47B
Total Liabilities	$15.71B	$17.35B	$17.37B
YoY Change	-9.55%	5.56%	5.5%
SHAREHOLDERS EQUITY
Retained Earnings		$11.99B
YoY Change		-12.74%
Common Stock		$2.812B
YoY Change		-2.43%
Preferred Stock
YoY Change
Treasury Stock (at cost)		$6.427B
YoY Change		-4.7%
Treasury Stock Shares		190.0M shares
Shareholders Equity	$4.974B	$8.012B	$8.012B
YoY Change
Total Liabilities & Shareholders Equity	$20.68B	$25.38B	$25.38B
YoY Change	-18.51%	-2.33%	-2.33%

Cashflow Statement

Concept	2020	2019 Q4	2019
OPERATING ACTIVITIES
Net Income	-$2.945B	-$1.653B	-$1.131B
YoY Change	160.39%	-348.95%	-168.3%
Depreciation, Depletion And Amortization	$1.058B	$372.0M	$1.625B
YoY Change	-34.89%	-11.85%	1.18%
Cash From Operating Activities	$1.881B	$1.167B	$2.445B
YoY Change	-23.07%	36.97%	-22.55%
INVESTING ACTIVITIES
Capital Expenditures	-$728.0M	-$340.0M	-$1.530B
YoY Change	-52.42%	-38.29%	-24.48%
Acquisitions	$0.00		$0.00
YoY Change			-100.0%
Other Investing Activities	$44.00M	$25.00M	$105.0M
YoY Change	-58.1%	-933.33%	-5350.0%
Cash From Investing Activities	-$486.0M	-$315.0M	-$1.445B
YoY Change	-66.37%	-43.14%	-27.5%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$100.0M		$100.0M
YoY Change	0.0%		-75.0%
Debt Paid & Issued, Net	$1.654B		$13.00M
YoY Change	12623.08%		-97.08%
Cash From Financing Activities	-$1.007B	-145.0M	-$695.0M
YoY Change	44.89%	-57.1%	-51.02%
NET CHANGE
Cash From Operating Activities	$1.881B	1.167B	$2.445B
Cash From Investing Activities	-$486.0M	-315.0M	-$1.445B
Cash From Financing Activities	-$1.007B	-145.0M	-$695.0M
Net Change In Cash	$295.0M	707.0M	$260.0M
YoY Change	13.46%	-1867.5%	-179.03%
FREE CASH FLOW
Cash From Operating Activities	$1.881B	$1.167B	$2.445B
Capital Expenditures	-$728.0M	-$340.0M	-$1.530B
Free Cash Flow	$2.609B	$1.507B	$3.975B
YoY Change	-34.36%	7.41%	-23.31%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0000045012
CY2021Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	888632775	shares
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	Houston
CY2020	dei	Amendment Flag AmendmentFlag	false
CY2020	hal	Maximum Percentage Revenuefrom One Geographic Segment MaximumPercentageRevenuefromOneGeographicSegment	0.10
CY2019	hal	Maximum Percentage Revenuefrom One Geographic Segment MaximumPercentageRevenuefromOneGeographicSegment	0.10
CY2020Q4	hal	Maximum Percentage Property Plantand Equipmentfrom One Geographic Segment MaximumPercentagePropertyPlantandEquipmentfromOneGeographicSegment	0.10
CY2019Q4	hal	Maximum Percentage Property Plantand Equipmentfrom One Geographic Segment MaximumPercentagePropertyPlantandEquipmentfromOneGeographicSegment	0.10
CY2020	hal	Numberof Countries Exceed Revenue Threshold NumberofCountriesExceedRevenueThreshold	1	Countries
CY2019	hal	Numberof Countries Exceed Revenue Threshold NumberofCountriesExceedRevenueThreshold	1	Countries
CY2020Q4	hal	Numberof Countries Exceed Property Plantand Equipment Threshold NumberofCountriesExceedPropertyPlantandEquipmentThreshold	1	Countries
CY2019Q4	hal	Numberof Countries Exceed Property Plantand Equipment Threshold NumberofCountriesExceedPropertyPlantandEquipmentThreshold	1	Countries
CY2020	hal	Maximum Percentage Revenuefrom One Geographic Segment MaximumPercentageRevenuefromOneGeographicSegment	0.10
CY2019	hal	Maximum Percentage Revenuefrom One Geographic Segment MaximumPercentageRevenuefromOneGeographicSegment	0.10
CY2018	hal	Maximum Percentage Revenuefrom One Geographic Segment MaximumPercentageRevenuefromOneGeographicSegment	0.10
CY2020	hal	Numberof Countries Exceed Revenue Threshold NumberofCountriesExceedRevenueThreshold	1	Countries
CY2019	hal	Numberof Countries Exceed Revenue Threshold NumberofCountriesExceedRevenueThreshold	1	Countries
CY2018	hal	Numberof Countries Exceed Revenue Threshold NumberofCountriesExceedRevenueThreshold	1	Countries
CY2020Q4	hal	Maximum Percentage Gross Trade Receivables From One Geographic Segment MaximumPercentageGrossTradeReceivablesFromOneGeographicSegment	0.10
CY2019Q4	hal	Maximum Percentage Gross Trade Receivables From One Geographic Segment MaximumPercentageGrossTradeReceivablesFromOneGeographicSegment	0.10
CY2020Q4	hal	Maximum Percentage Gross Trade Receivables From One Customer MaximumPercentageGrossTradeReceivablesFromOneCustomer	0.10
CY2019Q4	hal	Maximum Percentage Gross Trade Receivables From One Customer MaximumPercentageGrossTradeReceivablesFromOneCustomer	0.10
CY2020Q4	hal	Number Of Countries Exceed Receivables Threshold NumberOfCountriesExceedReceivablesThreshold	1	Countries
CY2019Q4	hal	Number Of Countries Exceed Receivables Threshold NumberOfCountriesExceedReceivablesThreshold	1	Countries
CY2020Q4	hal	Number Of Customers Exceed Receivables Threshold NumberOfCustomersExceedReceivablesThreshold	0	Customers
CY2019Q4	hal	Number Of Customers Exceed Receivables Threshold NumberOfCustomersExceedReceivablesThreshold	0	Customers
CY2020Q4	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	3500000000	USD
CY2019Q4	us-gaap	Longterm Debt Percentage Bearing Fixed Interest Amount LongtermDebtPercentageBearingFixedInterestAmount	10300000000	USD
CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Document Annual Report DocumentAnnualReport	true
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity File Number EntityFileNumber	001-03492
CY2020	dei	Entity Registrant Name EntityRegistrantName	HALLIBURTON COMPANY
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	75-2677995
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	3000 North Sam Houston Parkway East
CY2020	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	77032
CY2020	dei	City Area Code CityAreaCode	281
CY2020	dei	Local Phone Number LocalPhoneNumber	871-2699
CY2020	dei	Security12b Title Security12bTitle	Common Stock, par value $2.50 per share
CY2020	dei	Trading Symbol TradingSymbol	HAL
CY2020	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2020	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2020	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2020	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2020	dei	Entity Small Business EntitySmallBusiness	false
CY2020	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2020	dei	Entity Shell Company EntityShellCompany	false
CY2020Q2	dei	Entity Public Float EntityPublicFloat	10100000000	USD
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CY2020	us-gaap	Investment Income Interest InvestmentIncomeInterest	38000000	USD
CY2019	us-gaap	Investment Income Interest InvestmentIncomeInterest	23000000	USD
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CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-3220000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-1122000000	USD
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CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-278000000	USD
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CY2020	us-gaap	Profit Loss ProfitLoss	-2942000000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	-1129000000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	1657000000	USD
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CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	881000000	shares
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CY2019Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	1429000000	USD
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CY2019Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	604000000	USD
CY2020Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	292000000	USD
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CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	251000000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	208000000	USD
CY2020Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	1093000000	USD
CY2019Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	1313000000	USD
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	4421000000	USD
CY2019Q4	us-gaap	Liabilities Current LiabilitiesCurrent	4878000000	USD
CY2020Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	9132000000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	10316000000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	758000000	USD
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	825000000	USD
CY2020Q4	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	562000000	USD
CY2019Q4	us-gaap	Deferred Compensation Liability Classified Noncurrent DeferredCompensationLiabilityClassifiedNoncurrent	525000000	USD
CY2020Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	824000000	USD
CY2019Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	808000000	USD
CY2020Q4	us-gaap	Liabilities Liabilities	15697000000	USD
CY2019Q4	us-gaap	Liabilities Liabilities	17352000000	USD
CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	2.50
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	2.50
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2000000000	shares
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2000000000	shares
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	1066000000	shares
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	1068000000	shares
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	2666000000	USD
CY2019Q4	us-gaap	Common Stock Value CommonStockValue	2669000000	USD
CY2020Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	0	USD
CY2019Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	143000000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-362000000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-362000000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	8691000000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	11989000000	USD
CY2020Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	181000000	shares
CY2019Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	190000000	shares
CY2020Q4	us-gaap	Treasury Stock Value TreasuryStockValue	6021000000	USD
CY2019Q4	us-gaap	Treasury Stock Value TreasuryStockValue	6427000000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	4974000000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	8012000000	USD
CY2020Q4	us-gaap	Minority Interest MinorityInterest	9000000	USD
CY2019Q4	us-gaap	Minority Interest MinorityInterest	13000000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4983000000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8025000000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	20680000000	USD
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	25377000000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	-2942000000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	-1129000000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	1657000000	USD
CY2020	us-gaap	Restructuring Charges RestructuringCharges	3799000000	USD
CY2019	us-gaap	Restructuring Charges RestructuringCharges	2506000000	USD
CY2018	us-gaap	Restructuring Charges RestructuringCharges	265000000	USD
CY2020	us-gaap	Payments For Restructuring PaymentsForRestructuring	350000000	USD
CY2019	us-gaap	Payments For Restructuring PaymentsForRestructuring	144000000	USD
CY2018	us-gaap	Payments For Restructuring PaymentsForRestructuring	0	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1058000000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1625000000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1606000000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-444000000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-396000000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-267000000	USD
CY2020	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-160000000	USD
CY2019	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-38000000	USD
CY2018	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	-69000000	USD
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-1394000000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-636000000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	186000000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-934000000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-595000000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	483000000	USD
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-340000000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	202000000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	681000000	USD
CY2020	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-120000000	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-182000000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-349000000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1881000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2445000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	3157000000	USD
CY2020	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	728000000	USD
CY2019	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	1530000000	USD
CY2018	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	2026000000	USD
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	286000000	USD
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	190000000	USD
CY2018	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	218000000	USD
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	187000000	USD
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	44000000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	105000000	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-2000000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-486000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1445000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1993000000	USD
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1654000000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	13000000	USD
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	445000000	USD
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	994000000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	278000000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	630000000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	630000000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	100000000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	100000000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	400000000	USD
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	87000000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	118000000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	195000000	USD
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-56000000	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-70000000	USD
CY2018	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-139000000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1007000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-695000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1419000000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-93000000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-45000000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-74000000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	295000000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	260000000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-329000000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2268000000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2008000000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2337000000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2563000000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2268000000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2008000000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	509000000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	534000000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	556000000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	300000000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	363000000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	178000000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8349000000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	1657000000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	114000000	USD
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.72
CY2018	us-gaap	Dividends Dividends	630000000	USD
CY2018	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	415000000	USD
CY2018	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	400000000	USD
CY2018	us-gaap	Stockholders Equity Other StockholdersEquityOther	39000000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9544000000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	-1129000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-8000000	USD
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.72
CY2019	us-gaap	Dividends Dividends	630000000	USD
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	348000000	USD
CY2019	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	100000000	USD
CY2019	us-gaap	Stockholders Equity Other StockholdersEquityOther	0	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8025000000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	-2942000000	USD
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.315
CY2020	us-gaap	Dividends Dividends	278000000	USD
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	285000000	USD
CY2020	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	100000000	USD
CY2020	us-gaap	Stockholders Equity Other StockholdersEquityOther	-7000000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4983000000	USD
CY2020Q4	hal	Number Of Business Segments NumberOfBusinessSegments	2	Division
CY2020Q4	hal	Number Of Business Segments NumberOfBusinessSegments	2	Division
CY2020	us-gaap	Use Of Estimates UseOfEstimates	<div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Use of estimates</span></div><div style="margin-bottom:3pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Our financial statements are prepared in conformity with United States generally accepted accounting principles, requiring us to make estimates and assumptions that affect:</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">- the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements; and</span></div><div style="margin-bottom:3pt;padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">- the reported amounts of revenue and expenses during the reporting period.</span></div><div style="padding-left:54pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">We believe the most significant estimates and assumptions are associated with the forecasting of our income tax (provision) benefit and the valuation of deferred taxes, legal reserves, long-lived asset valuations, and allowance for credit losses. Ultimate results could differ from our estimates.</span></div>
CY2020	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	309000000	USD
CY2019	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	404000000	USD
CY2018	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	390000000	USD
CY2020	hal	Cash Equivalents Maximum Maturity CashEquivalentsMaximumMaturity	P3M
CY2018Q4	us-gaap	Goodwill Goodwill	2825000000	USD
CY2019	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	11000000	USD
CY2019	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	-2000000	USD
CY2019	us-gaap	Goodwill Other Increase Decrease GoodwillOtherIncreaseDecrease	-22000000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	2812000000	USD
CY2020	us-gaap	Goodwill Other Increase Decrease GoodwillOtherIncreaseDecrease	-8000000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	2804000000	USD
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2018	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020Q4	hal	Decline In Wti Oil Spot Price DeclineInWTIOilSpotPrice	0.25
CY2020	hal	Decline In Wti Oil Spot Price DeclineInWTIOilSpotPrice	0.31
CY2020	hal	Decline In Us Average Rig Count DeclineInUSAverageRigCount	0.54
CY2020	hal	Decline In International Average Rig Count DeclineInInternationalAverageRigCount	0.25
CY2020	hal	Decline In Global Rig Count DeclineInGlobalRigCount	0.38
CY2020Q2	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020Q3	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020Q1	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	3800000000	USD
CY2020	us-gaap	Tangible Asset Impairment Charges TangibleAssetImpairmentCharges	2629000000	USD
CY2019	us-gaap	Tangible Asset Impairment Charges TangibleAssetImpairmentCharges	1603000000	USD
CY2018	us-gaap	Tangible Asset Impairment Charges TangibleAssetImpairmentCharges	0	USD
CY2020	us-gaap	Inventory Write Down InventoryWriteDown	505000000	USD
CY2019	us-gaap	Inventory Write Down InventoryWriteDown	458000000	USD
CY2018	us-gaap	Inventory Write Down InventoryWriteDown	0	USD
CY2020	us-gaap	Severance Costs1 SeveranceCosts1	384000000	USD
CY2019	us-gaap	Severance Costs1 SeveranceCosts1	172000000	USD
CY2018	us-gaap	Severance Costs1 SeveranceCosts1	0	USD
CY2020	hal	Impairmentof Joint Ventures ImpairmentofJointVentures	0	USD
CY2019	hal	Impairmentof Joint Ventures ImpairmentofJointVentures	154000000	USD
CY2018	hal	Impairmentof Joint Ventures ImpairmentofJointVentures	0	USD
CY2020	us-gaap	Other Restructuring Costs OtherRestructuringCosts	281000000	USD
CY2019	us-gaap	Other Restructuring Costs OtherRestructuringCosts	119000000	USD
CY2018	us-gaap	Other Restructuring Costs OtherRestructuringCosts	0	USD
CY2020	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	3799000000	USD
CY2019	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	2506000000	USD
CY2018	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	265000000	USD
CY2020	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	3800000000	USD
CY2020	us-gaap	Tangible Asset Impairment Charges TangibleAssetImpairmentCharges	2600000000	USD
CY2020	hal	Impairmentofhydraulicfracturingequipment Impairmentofhydraulicfracturingequipment	1000000000.0	USD
CY2020	hal	Impairment Of Drilling Services Equipment ImpairmentOfDrillingServicesEquipment	297000000	USD
CY2020	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	191000000	USD
CY2020	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	131000000	USD
CY2020	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	394000000	USD
CY2020	hal	Impairment Of Real Estate Properties ImpairmentOfRealEstateProperties	616000000	USD
CY2019	us-gaap	Tangible Asset Impairment Charges TangibleAssetImpairmentCharges	1600000000	USD
CY2019	hal	Impairmentofhydraulicfracturingequipment Impairmentofhydraulicfracturingequipment	759000000	USD
CY2019	hal	Impairmentoflegacydrillingequipment Impairmentoflegacydrillingequipment	243000000	USD
CY2019	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	215000000	USD
CY2019	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	139000000	USD
CY2019	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	98000000	USD
CY2019	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	148000000	USD
CY2020Q4	hal	Number Of Business Segments NumberOfBusinessSegments	2	Division
CY2020Q4	hal	Number Of Business Segments NumberOfBusinessSegments	2	Division
CY2020	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	14445000000	USD
CY2019	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	22408000000	USD
CY2018	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	23995000000	USD
CY2020	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	3799000000	USD
CY2019	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	2506000000	USD
CY2018	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	265000000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	-2436000000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	-448000000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	2467000000	USD
CY2020	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-505000000	USD
CY2019	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-569000000	USD
CY2018	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-554000000	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-168000000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2018	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-111000000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-105000000	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-99000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-3220000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-1122000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1814000000	USD
CY2020	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	728000000	USD
CY2019	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	1530000000	USD
CY2018	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	2026000000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1058000000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1625000000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1606000000	USD
CY2020Q4	us-gaap	Assets Assets	20680000000	USD
CY2019Q4	us-gaap	Assets Assets	25377000000	USD
CY2020	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	14445000000	USD
CY2019	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	22408000000	USD
CY2018	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	23995000000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4325000000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	7310000000	USD
CY2020Q4	hal	Number Of Business Segments NumberOfBusinessSegments	2	Division
CY2020	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	14445000000	USD
CY2019	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	22408000000	USD
CY2018	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	23995000000	USD
CY2020	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	14445000000	USD
CY2019	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	22408000000	USD
CY2018	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	23995000000	USD
CY2020	us-gaap	Revenue Performance Obligation Description Of Timing RevenuePerformanceObligationDescriptionOfTiming	one year
CY2020Q4	hal	Number Of Customers Exceed Receivables Threshold NumberOfCustomersExceedReceivablesThreshold	0	Customers
CY2019Q4	hal	Number Of Customers Exceed Receivables Threshold NumberOfCustomersExceedReceivablesThreshold	0	Customers
CY2019Q4	hal	Maximum Percentage Gross Trade Receivables From One Customer MaximumPercentageGrossTradeReceivablesFromOneCustomer	0.10
CY2020Q4	hal	Maximum Percentage Gross Trade Receivables From One Customer MaximumPercentageGrossTradeReceivablesFromOneCustomer	0.10
CY2017Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	725000000	USD
CY2018	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	57000000	USD
CY2018	us-gaap	Valuation Allowances And Reserves Deductions ValuationAllowancesAndReservesDeductions	44000000	USD
CY2018Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	738000000	USD
CY2018Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	738000000	USD
CY2019	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	50000000	USD
CY2019	us-gaap	Valuation Allowances And Reserves Deductions ValuationAllowancesAndReservesDeductions	12000000	USD
CY2019Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	776000000	USD
CY2019Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	776000000	USD
CY2020	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	58000000	USD
CY2020	us-gaap	Valuation Allowances And Reserves Deductions ValuationAllowancesAndReservesDeductions	10000000	USD
CY2020Q4	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	824000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Term Of Contract LesseeOperatingLeaseTermOfContract	P10Y
CY2020	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	19000000	USD
CY2019	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	19000000	USD
CY2020	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	32000000	USD
CY2019	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	51000000	USD
CY2020	us-gaap	Operating Lease Expense OperatingLeaseExpense	296000000	USD
CY2019	us-gaap	Operating Lease Expense OperatingLeaseExpense	355000000	USD
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	31000000	USD
CY2019	us-gaap	Short Term Lease Cost ShortTermLeaseCost	110000000	USD
CY2020	us-gaap	Sublease Income SubleaseIncome	4000000	USD
CY2019	us-gaap	Sublease Income SubleaseIncome	5000000	USD
CY2020	us-gaap	Lease Cost LeaseCost	374000000	USD
CY2019	us-gaap	Lease Cost LeaseCost	530000000	USD
CY2018	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	680000000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	786000000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	931000000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	251000000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	208000000	USD
CY2019Q4	us-gaap	Debt Current DebtCurrent	11000000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	758000000	USD
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	825000000	USD
CY2020	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	191000000	USD
CY2019	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	139000000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	299000000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	316000000	USD
CY2020	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	32000000	USD
CY2019	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	51000000	USD
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	21000000	USD
CY2019	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	24000000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	447000000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1362000000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	39000000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	74000000	USD
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y7M6D
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P9Y6M
CY2020Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P6Y4M24D
CY2019Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P5Y4M24D
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.041
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.044
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	287000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	63000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	233000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	63000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	146000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	62000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	94000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	49000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	70000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	38000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	428000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	55000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	1258000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	330000000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	249000000	USD
CY2020Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	188000000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	1009000000	USD
CY2020Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	142000000	USD
CY2020Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	1330000000	USD
CY2019Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	1865000000	USD
CY2020Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	952000000	USD
CY2019Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	1147000000	USD
CY2020Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	67000000	USD
CY2019Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	127000000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	2349000000	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	3139000000	USD
CY2020Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	150000000	USD
CY2019Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	149000000	USD
CY2020	us-gaap	Inventory Write Down InventoryWriteDown	505000000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	15364000000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	19940000000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	11039000000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	12630000000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4325000000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	7310000000	USD
CY2020	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	2300000000	USD
CY2020Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	82000000	USD
CY2019Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	90000000	USD
CY2020Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	9827000000	USD
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	10327000000	USD
CY2020Q4	us-gaap	Debt Current DebtCurrent	695000000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	9132000000	USD
CY2019Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	10316000000	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-168000000	USD
CY2020	us-gaap	Debt Instrument Call Feature DebtInstrumentCallFeature	We may redeem all of our senior notes from time to time or all of the notes of each series at any time at the applicable redemption prices, plus accrued and unpaid interest.
CY2020Q4	us-gaap	Line Of Credit LineOfCredit	3500000000	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	695000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	9000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	602000000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	0	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	1000000000.0	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-1000000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-32000000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-19000000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	167000000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	426000000	USD
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	428000000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	0	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	9000000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	15000000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	166000000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	403000000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	424000000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-372000000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-383000000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-286000000	USD
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-2000000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	36000000	USD
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-9000000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-70000000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-49000000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	28000000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-444000000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-396000000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-267000000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-278000000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7000000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	157000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-3031000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-1517000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	1097000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-189000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	395000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	717000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-3220000000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-1122000000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1814000000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Impairment Losses EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses	-0.123
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Impairment Losses EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses	-0.209
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Impairment Losses EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses	0
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.011
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.008
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.030
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.009
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.107
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.162
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Prior Year Income Taxes EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes	0.007
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Prior Year Income Taxes EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes	0.130
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Prior Year Income Taxes EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes	0.020
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.013
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.019
CY2020	hal	Effective Income Tax Reconciliation Foreign Exchange Loss Percent EffectiveIncomeTaxReconciliationForeignExchangeLossPercent	0
CY2019	hal	Effective Income Tax Reconciliation Foreign Exchange Loss Percent EffectiveIncomeTaxReconciliationForeignExchangeLossPercent	0
CY2018	hal	Effective Income Tax Reconciliation Foreign Exchange Loss Percent EffectiveIncomeTaxReconciliationForeignExchangeLossPercent	-0.057
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	-0.026
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.006
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.025
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.001
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.086
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.006
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.087
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-278000000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-3200000000	USD
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.086
CY2020	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	3800000000	USD
CY2019	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	2500000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	1691000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	1301000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	945000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	877000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Research DeferredTaxAssetsTaxCreditCarryforwardsResearch	196000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Research DeferredTaxAssetsTaxCreditCarryforwardsResearch	198000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	237000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	215000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	263000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	316000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	469000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	382000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	3801000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	3289000000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	7000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	373000000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	86000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	109000000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	155000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	58000000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	248000000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	540000000	USD
CY2020Q4	us-gaap	Operating Loss Carryforwards Valuation Allowance OperatingLossCarryforwardsValuationAllowance	1394000000	USD
CY2019Q4	us-gaap	Operating Loss Carryforwards Valuation Allowance OperatingLossCarryforwardsValuationAllowance	1082000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	2159000000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	1667000000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Subject To Expiration DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration	1800000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	133000000	USD
CY2020Q4	hal	Deferred Tax Assets Operating Loss Carryforwards Domestic Not Subject To Expiration DeferredTaxAssetsOperatingLossCarryforwardsDomesticNotSubjectToExpiration	312000000	USD
CY2020Q4	hal	Deferred Tax Assets Operating Loss Carryforwards Foreign Not Subject To Expiration DeferredTaxAssetsOperatingLossCarryforwardsForeignNotSubjectToExpiration	435000000	USD
CY2020Q4	hal	Deferred Tax Assets Tax Credit Carryforwards Foreign Not Subject To Expiration DeferredTaxAssetsTaxCreditCarryforwardsForeignNotSubjectToExpiration	0	USD
CY2020Q4	hal	Deferred Tax Assets Tax Credit Carryforwards Research Not Subject To Expiration DeferredTaxAssetsTaxCreditCarryforwardsResearchNotSubjectToExpiration	0	USD
CY2020Q4	hal	Deferred Tax Assets Operating Loss Carryforwards And Tax Credit Carryforwards Not Subject To Expiration DeferredTaxAssetsOperatingLossCarryforwardsAndTaxCreditCarryforwardsNotSubjectToExpiration	747000000	USD
CY2020Q4	hal	Deferred Tax Assets Estimated Operating Loss Carryforwards Domestic DeferredTaxAssetsEstimatedOperatingLossCarryforwardsDomestic	986000000	USD
CY2020Q4	hal	Deferred Tax Assets Estimated Operating Loss Carryforwards Foreign DeferredTaxAssetsEstimatedOperatingLossCarryforwardsForeign	838000000	USD
CY2020Q4	hal	Deferred Tax Assets Estimated Tax Credit Carryforwards Foreign DeferredTaxAssetsEstimatedTaxCreditCarryforwardsForeign	1090000000	USD
CY2020Q4	hal	Deferred Tax Assets Estimated Tax Credit Carryforwards Research DeferredTaxAssetsEstimatedTaxCreditCarryforwardsResearch	196000000	USD
CY2020Q4	hal	Deferred Tax Assets Estimated Operating Loss Carryforwards And Tax Credit Carryforwards DeferredTaxAssetsEstimatedOperatingLossCarryforwardsAndTaxCreditCarryforwards	3110000000	USD
CY2020	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	312000000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	333000000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	60000000	USD
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CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	63000000	USD
CY2018	hal	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued Increase Decrease Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedIncreaseDecreaseResultingFromCurrentPeriodTaxPositions	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	7000000	USD
CY2018	hal	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedDecreasesResultingFromSettlementsWithTaxingAuthorities	2000000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	4000000	USD
CY2018	hal	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedReductionsResultingFromLapseOfApplicableStatuteOfLimitations	2000000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	417000000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	67000000	USD
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CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	4000000	USD
CY2019	hal	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedDecreasesResultingFromSettlementsWithTaxingAuthorities	0	USD
CY2019	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	42000000	USD
CY2019	hal	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedReductionsResultingFromLapseOfApplicableStatuteOfLimitations	8000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	425000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	70000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	66000000	USD
CY2020	hal	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued Increase Decrease Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedIncreaseDecreaseResultingFromPriorPeriodTaxPositions	-6000000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	16000000	USD
CY2020	hal	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued Increase Decrease Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedIncreaseDecreaseResultingFromCurrentPeriodTaxPositions	0	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	3000000	USD
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CY2020	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	17000000	USD
CY2020	hal	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedReductionsResultingFromLapseOfApplicableStatuteOfLimitations	5000000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	355000000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	71000000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	224000000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	271000000	USD
CY2020Q4	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Amount Of Unrecorded Benefit SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit	17000000	USD
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	1066000000	shares
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	1068000000	shares
CY2020Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	181000000	shares
CY2019Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	190000000	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	885000000	shares
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	878000000	shares
CY2020	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	7400000	shares
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	100000000	USD
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CY2020Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	5100000000	USD
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CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
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CY2020Q4	hal	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Pretax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentPretax	83000000	USD
CY2019Q4	hal	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Pretax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentPretax	82000000	USD
CY2020Q4	hal	Accumulated Other Comprehensive Income Loss Other Net Of Tax AccumulatedOtherComprehensiveIncomeLossOtherNetOfTax	53000000	USD
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CY2020Q4	hal	Accumulated Other Comprehensive Loss AccumulatedOtherComprehensiveLoss	362000000	USD
CY2019Q4	hal	Accumulated Other Comprehensive Loss AccumulatedOtherComprehensiveLoss	362000000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	881000000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	875000000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	875000000	shares
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2000000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	881000000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	875000000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	877000000	shares
CY2020	hal	Numberofdaysfromperiodend Numberofdaysfromperiodend	P2D
CY2020	hal	Numberofdaysfromperiodend Numberofdaysfromperiodend	P2D
CY2020	hal	Maximum Term Of Currency Derivative Instruments MaximumTermOfCurrencyDerivativeInstruments	P1Y
CY2020Q4	us-gaap	Longterm Debt Percentage Bearing Fixed Interest Amount LongtermDebtPercentageBearingFixedInterestAmount	9800000000	USD
CY2019Q4	us-gaap	Longterm Debt Percentage Bearing Fixed Interest Amount LongtermDebtPercentageBearingFixedInterestAmount	10300000000	USD
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	100000000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	206000000	USD
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	193000000	USD

Files In Submission

Name	View Source	Status
0000045012-21-000009-index-headers.html	Edgar Link	pending
0000045012-21-000009-index.html	Edgar Link	pending
0000045012-21-000009.txt	Edgar Link	pending
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hal_12312020-ex430.htm	Edgar Link	pending
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MetaLinks.json	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$HAL
HALLIBURTON CO Stock $hal

2020 Form 10-K Financial Statement

#000004501221000009 Filed on February 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HAL HALLIBURTON CO Stock $hal

2020 Form 10-K Financial Statement

#000004501221000009 Filed on February 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HAL
HALLIBURTON CO Stock $hal